By Lenn Thompson, Executive Editor This weekend, the Long Island Wine & Food Festival invades the East End. This weekend-long celebration of Long Island's bounty promises to be a lot of fun and the Saturday schedule is jam-packed with events at wineries throughout wine country. In fact, it's so packed that it might be hard for you to decide just where you should go, so below are some of the events I'd recommend from full list (posted here). These are just a few of the events that seem the most interesting and well thought out. I'm sure that all of…